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KVM: arm64: Clarify explanation of STAGE2_PGTABLE_LEVELS

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In attempting to re-construct the logic for our stage 2 page table
layout I found the reasoning in the comment explaining how we calculate
the number of levels used for stage 2 page tables a bit backwards.

This commit attempts to clarify the comment, to make it slightly easier
to read without having the Arm ARM open on the right page.

While we're at it, fixup a typo in a comment that was recently changed.

Reviewed-by: Suzuki K Poulose <[email protected]>
Signed-off-by: Christoffer Dall <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
This commit is contained in:
Christoffer Dall 2018-11-06 13:33:38 +01:00 • committed by Marc Zyngier
commit 6992195cc6
2 changed files with 8 additions and 10 deletions
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2
virt/kvm/arm/mmu.c
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@ -1356,7 +1356,7 @@ static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap)
struct page *page = pfn_to_page(pfn);
/*
* PageTransCompoungMap() returns true for THP and
* PageTransCompoundMap() returns true for THP and
* hugetlbfs. Make sure the adjustment is done only for THP
* pages.
*/